body{
    display: flex;
    justify-content: center;
    align-items: center;
}
.main{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 90%;
}
.right {
    width: 77%;
    margin-top: 54px;
    background-color: white;
    margin-left: 20px;
    border-radius: 15px;
}
/* 通用样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}
.article-header{
    margin-top: 0px;
}
header {
    background-color: #f3f6f9;
    padding: 10px;
    margin-left: 21px;
    margin-right: 21px;
    margin-top: 21px;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-tabs {
    list-style-type: none;
    display: flex;
}

.nav-tabs li {
    margin-right: 10px;

}

.nav-tabs a {
    text-decoration: none;
    padding: 5px 10px;
    color: #333;
    border-bottom: 2px solid transparent;
    transition: border-bottom 0.3s ease;
}

.nav-tabs li.active a {
    border-bottom: 2px solid #007bff;
}

.date {
    color: #777;
}

main {
    padding: 20px;

}

.data-overview {
    background-color: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 5px;
    padding: 20px;
}

.time-range {
    margin-bottom: 20px;
}

.time-range a {
    text-decoration: none;
    color: #007bff;
    margin-right: 10px;
    border-bottom: 2px solid transparent;
    transition: border-bottom 0.3s ease;
}

.time-range a.active {
    border-bottom: 2px solid #007bff;
}

.data-section {
    display: flex;
    justify-content: space-between;
    width: 95%;
}

.traffic,
.interaction {
    width: 59%;
}
.traffic{
    width: 30%;
}
.icon {
    width: 30px;
    height: 30px;
    margin-bottom: 10px;
    fill: #007bff;
}

.data {
    display: flex;
    justify-content: space-between;
}

.metric {
    text-align: center;
}

.label {
    display: block;
    margin-bottom: 5px;
    color: #777;
}

.question-mark {
    color: #777;
    cursor: help;
}

.value {
    font-size: 24px;
    color: #333;
    margin-bottom: 5px;
}

.sub-value {
    font-size: 14px;
    color: #777;
}
